Vulnerability Details

Unbound DNS Resolver < 1.10.1 Multiple Vulnerabilities

Published: 2020-05-20 02:43:01
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C

Detection Type:
Remote Banner

Solution Type:
Vendor Patch

Summary:
Unbound DNS Resolver is prone to multiple vulnerabilities.

Detection Method:
Checks if a vulnerable version is present on the target host.

Technical Details:
Unbound DNS Resolver is prone to multiple vulnerabilities: - Unbound can be tricked into amplifying an incoming query into a large number of queries directed to a target (CVE-2020-12662) - Malformed answers from upstream name servers can be used to make Unbound unresponsive (CVE-2020-12663)

Affected Versions:
Ubound DNS Resolver version 1.10.0 and prior.

Recommendations:
Update to version 1.10.1 or later.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2020-12662
https://nvd.nist.gov/vuln/detail/CVE-2020-12663

CVE Analysis

https://www.mageni.net/cve/CVE-2020-12662
https://www.mageni.net/cve/CVE-2020-12663

References:

https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt

Severity
High
CVSS Score
7.8
Published
2020-05-20
Modified
2020-05-20
Category
General

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